package com.hzdracom.epubreader.views;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.TextView;

import com.shwread.android.qysw10000152.R;
import com.shwread.android.ui.widget.ReadingPopWindow;


public class ReadingBg
        extends
        ReadingPopWindow
        implements
        OnItemClickListener
{
	private Context           context;
	private GridView          gridView;
	private TypedArray        colors;
	private ReadingBgListener listener;
	
	public static ReadingPopWindow getInstance(Context context) {
		if (instance == null) instance = new ReadingBg(context);
		return instance;
	}
	
	private static ReadingPopWindow instance;
	
	private ReadingBg(Context context) {
		this.context = context;
		View contentView = LayoutInflater.from(context).inflate(R.layout.menu_pop_bg, null);
		init(context, contentView);
	}
	
	@SuppressLint ("Recycle")
    @Override
	protected void initView(View parentView) {
		gridView = (GridView) parentView.findViewById(R.id.menu_pop_gl);
		BgAdapter adapter = new BgAdapter();
		gridView.setAdapter(adapter);
		colors = context.getResources().obtainTypedArray(R.array.epub3_reading_bg_array);
	}
	
	@Override
	protected void addListener() {
		gridView.setOnItemClickListener(this);
	}
	
	public void setListener(ReadingBgListener listener) {
		this.listener = listener;
	}
	private class BgAdapter
	        extends
	        BaseAdapter
	{
		
		@Override
		public int getCount() {
			return 4;
		}
		
		@Override
		public Object getItem(int position) {
			return null;
		}
		
		@Override
		public long getItemId(int position) {
			return position;
		}
		
		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			ViewHolder holder = null;
			if (convertView == null)
			{
				convertView = LayoutInflater.from(context).inflate(R.layout.epub3_bg_item, null);
				holder = new ViewHolder();
				holder.textView = (TextView) convertView.findViewById(R.id.epub_bg_item_tv);
				convertView.setTag(holder);
			}
			else
			{
				holder = (ViewHolder) convertView.getTag();
			}
			holder.textView.setBackgroundColor(colors.getColor(position, position));
			return convertView;
		}
		
		class ViewHolder
		{
			TextView textView;
		}
	}
	
	@Override
	public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
		{
			//			Log.i("ywq", "onItemClick");
			//Toast.makeText(context, "onItemClick", Toast.LENGTH_LONG).show();
			listener.setBg(colors.getColor(position, position));
		}
	}
	
	@SuppressLint ("InlinedApi")
    public void show(View viewParent) {
		popupWindow.setFocusable(true);
		
		final int[] location = new int[2];
		viewParent.getLocationOnScreen(location);
		//		Toast.makeText(context, "height="+popupWindow.getHeight(), Toast.LENGTH_LONG).show();
//		popupWindow.showAtLocation(viewParent, Gravity.NO_GRAVITY, 0, location[1]/* - 100*/);
		popupWindow.showAtLocation(viewParent, Gravity.START, 0, location[1]);
	}
	
	public interface ReadingBgListener
	{
		public void setBg(int color);
	}
}
